Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1a5e3471bea90e0…

MALICIOUS

PDF

182.7 KB Created: 2015-07-25 02:27:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7aa496abe091cf33b01e0721d371248e SHA-1: fdd042c7292ffc4cdce76abaf310a51659d8bbdd SHA-256: e1a5e3471bea90e0fac0125f421d31ab61efe42a001421e958f9c0618b163ba5
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D0%B8%D0%B2%D0%B8+%D1%85%D0%B0%D0%BA&charset=utf-8 is the primary indicator of malicious intent. No scripts were extracted, and the document body was not sufficiently readable to provide further context.

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D0%B8%D0%B2%D0%B8+%D1%85%D0%B0%D0%BA&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191583_skachat_kleo_aim_po_skinu_dlya_samp_03z.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195715_shablonuy_gramot_dlya_shkolnikov_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184654_programma_dlya_nastroyki_zvuka_na_kompyutere_windows_7.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023b17.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23B17 3556 bytes
font_01_sfnt_off0002489a.bin
8273e52d9d2daa1215fcbd0bce8ea293d72f4e0d3264c8f3172908a75c4448cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2489A 14160 bytes
font_02_sfnt_off0002755a.bin
a6626c0bd3595dc776735a93968cf26fa9368d0e017313712711ccf7ec06347e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2755A 14532 bytes
font_03_sfnt_off0002a04a.bin
1200bdb70e661388bfcdccd3175928772748c78c7607e45e260374e885ef940a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A04A 5956 bytes
font_04_sfnt_off0002b0d2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B0D2 6084 bytes
font_05_sfnt_off0002c067.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C067 3752 bytes

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